9.11 Speed Ripple Compensation
9.11.3 Setting Parameters
9-64
Speed Ripple Compensation Warnings
The speed ripple compensation value is specific to each Servomotor. If you replace the Servo-
motor while speed ripple compensation is enabled, an A.942 warning (Speed Ripple Compen-
sation Information Disagreement) will occur to warn you.
You can use any of the following methods to clear A.942.
•
Reset the speed ripple compensation value on the S.
•
Disable speed ripple compensation (Pn423 = n.
0).
•
Disable detection of A.942 (Pn423 = n.
1
).
Parameter
Description
When
Enabled
Classifi-
cation
Pn423
(2423h)
n.
0
(default setting)
Detect A.942 alarms.
After
restart
Setup
n.
1
Do not detect A.942 alarms.
Setting of Pn427
or Pn49F
(Ripple
Compensation
Enable Speed)
Time
Speed reference/
feedback speed
Disabled
Enabled
Disabled
Enabled
Disabled
Ripple
compensation